编程基础与实践:从零开始的进阶之路

当前位置:首页 > 广场 > 编程基础与实践:从零开始的进阶之路

编程基础与实践:从零开始的进阶之路

2024-11-14广场25

缂栫▼锛氫粠鍏ラ棬鍒扮簿閫氱殑鏃呯▼

编程基础与实践:从零开始的进阶之路

浣犳槸鍚︽浘缁忓缂栫▼浜х敓杩囨祿鍘氱殑鍏磋叮锛屽嵈鍥犱负澶嶆潅鐨勭悊璁哄拰闅句互鐞嗚В鐨勪唬鐮佽€屾姝ヤ笉鍓嶏紵浠婂ぉ锛岃鎴戜滑涓€璧疯法瓒婅繖涓棬妲涳紝浠庨浂寮€濮嬶紝閫愭杩堝悜缂栫▼楂樻墜鐨勬鍫傘€?/p>

涓€銆佺紪绋嬪熀纭€姒傚康鐨勫鍩?/h3>

编程基础与实践:从零开始的进阶之路

1. 鍙橀噺涓庣被鍨?/p>

编程基础与实践:从零开始的进阶之路

鍦ㄧ紪绋嬬殑涓栫晫閲岋紝鍙橀噺濡傚悓涓€涓暟鎹殑瀹瑰櫒锛岃€屾暟鎹被鍨嬪垯瀹氫箟浜嗗鍣ㄤ腑鍙互瀛樻斁鐨勬暟鎹绫汇€備緥濡傦紝鍦≒ython璇█涓紝浣犲彲浠ヨ交鏉惧畾涔変竴涓暣鏁板彉閲忓拰涓€涓瓧绗︿覆鍙橀噺锛?/p>

编程基础与实践:从零开始的进阶之路

瀹氫箟鏁存暟鍙橀噺锛歚age = 25`

瀹氫箟瀛楃涓插彉閲忥細`name = "John Doe"`

2. 鎺у埗缁撴瀯

鎺у埗缁撴瀯鏄紪绋嬭瑷€涓绋嬪簭鎸夐鏈熼€昏緫鎵ц鐨勫叧閿€傚叾涓紝鏉′欢璇彞鍜屽惊鐜鍙ユ槸鏈€甯歌鐨勪袱绉嶆帶鍒剁粨鏋勩€備緥濡傦細

鏉′欢璇彞绀轰緥锛歚age = 18; if age >= 18: print("浣犲凡鎴愬勾銆?) else: print("浣犺繕鏈垚骞淬€?)`

寰幆璇彞绀轰緥锛歚for i in range(5): print(i)`

3. 鍑芥暟涓庢ā鍧?/p>

鍑芥暟鏄竴娈靛彲閲嶅浣跨敤鐨勪唬鐮佸潡锛屽彲浠ユ帴鍙楀弬鏁板苟杩斿洖缁撴灉銆傛ā鍧楀垯鏄寘鍚簡涓€绯诲垪鍙互澶嶇敤鐨勫嚱鏁板拰鍙橀噺鐨勬枃浠躲€傚湪Python涓紝瀹氫箟涓€涓嚱鏁伴潪甯哥畝鍗曪細

`def greet(name): print(f"浣犲ソ锛寋name}锛?)`

浣跨敤鍑芥暟锛歚greet("Alice")`

浜屻€佷唬鐮佸疄璺典笌璋冭瘯鎶€宸?/h3>

1. 瀹炶返绀轰緥锛氳绠桞MI

鍋囪鎴戜滑闇€瑕佺紪鍐欎竴涓绠桞MI锛堣韩浣撹川閲忔寚鏁帮級鐨勭▼搴忋€侭MI鐨勮绠楀叕寮忔槸浣撻噸锛坘g锛夐櫎浠ヨ韩楂橈紙m锛夌殑骞虫柟銆備互涓嬫槸Python浠g爜瀹炵幇锛?/p>

`def calculate_bmi(weight, height): bmi = weight / (height 2) return bmi`

杈撳叆浣撻噸鍜岃韩楂樺悗璋冪敤鍑芥暟璁$畻BMI锛歚weight = float(input("璇疯緭鍏ユ偍鐨勪綋閲嶏紙kg锛? ")) height = float(input("璇疯緭鍏ユ偍鐨勮韩楂橈紙m锛? ")) result = calculate_bmi(weight, height) print(f"鎮ㄧ殑BMI鏄? {result:.2f}")`

2. 瑙e喅甯歌闂锛氬紓甯稿鐞?/p>

鍦ㄧ紪绋嬭繃绋嬩腑锛屾垜浠彲鑳戒細閬囧埌鍚勭寮傚父鎯呭喌銆備娇鐢ㄥ紓甯稿鐞嗙粨鏋勫彲浠ヤ紭闆呭湴澶勭悊杩欎簺閿欒銆備緥濡傦細

`def divide(a, b): try: result = a / b except ZeroDivisionError: print("闄ゆ暟涓嶈兘涓洪浂锛?) except TypeError: print("绫诲瀷閿欒锛岃纭繚杈撳叆鐨勬槸鏁板瓧銆?) else: print(f"缁撴灉鏄? {result}")`

璋冪敤鍑芥暟骞朵紶鍏ュ弬鏁拌繘琛屾祴璇曘€?/p>

涓夈€佽繘闃舵妧宸т笌鏈€浣冲疄璺?/h3>

1. 浠g爜閲嶆瀯涓庝紭鍖?/p>

闅忕潃椤圭洰鐨勫鏉傚害澧炲姞锛屼唬鐮侀噸鏋勫拰浼樺寲鍙樺緱鑷冲叧閲嶈銆備緥濡傦紝鍙互灏嗛噸澶嶇殑浠g爜娈垫彁鍙栦负鍑芥暟鎴栨ā鍧楋紝鍑忓皯浠g爜鍐椾綑锛屾彁楂樹唬鐮佽川閲忋€傞€氳繃瀵规瘮鍘熷鍜屼紭鍖栧悗鐨勪唬鐮侊紝鎴戜滑鍙互鐪嬪埌鏄庢樉鐨勬敼杩涖€?/p>

2. 浠g爜瀹℃煡涓庢祴璇?/p>

缂栧啓瀹屼唬鐮佸悗锛岃繘琛屼唬鐮佸鏌ュ拰鍗曞厓娴嬭瘯鏄彁楂樹唬鐮佽川閲忕殑鏈夋晥鏂规硶銆備唬鐮佸鏌ュ彲浠ュ府鍔╂壘鍑烘綔鍦ㄧ殑閿欒鍜屾敼杩涚偣锛岃€屽崟鍏冩祴璇曞垯纭繚鍚勪釜鍔熻兘妯″潡鐙珛鍦版甯稿伐浣溿€傝繖涓€姝ヤ篃鏄垚涓虹紪绋嬮珮鎵嬬殑蹇呯粡涔嬭矾銆?/p>

閫氳繃鎺屾彙杩欎簺鍩虹姒傚康銆佸疄璺佃皟璇曟妧宸у拰杩涢樁鏈€浣冲疄璺碉紝浣犲皢鑳藉閫愭杩堝悜缂栫▼楂樻墜鐨勮鍒椼€傜紪绋嬩笘鐣岀殑澶ч棬宸茬粡涓轰綘鏁炲紑锛屽媷鏁㈠墠琛屽惂锛佸崟鍏冩祴璇曞疄鎴樿В鏋愶細

鍒╃敤Python鍐呯疆鐨剈nittest妯″潡锛屾垜浠彲浠ヨ交鏉炬瀯寤轰弗鏍肩殑鍗曞厓娴嬭瘯妗嗘灦锛岀‘淇濅唬鐮佺殑璐ㄩ噺鍜岀ǔ瀹氭€с€備笅闈㈡槸涓€涓畝鍗曠殑渚嬪瓙锛?/p>

```python

import unittest

class TestCalculateBmi(unittest.TestCase):

def test_normal_case(self):

"""娴嬭瘯姝e父鎯呭喌涓嬬殑BMI璁$畻"""

expected_bmi = 24.49

actual_bmi = calculate_bmi(70, 1.7)

self.assertAlmostEqual(expected_bmi, actual_bmi, places=2) 淇濈暀涓や綅灏忔暟杩涜姣旇緝

def test_zero_height(self):

"""娴嬭瘯韬珮涓洪浂鏃禕MI璁$畻鐨勫紓甯稿鐞?""

with self.assertRaises(ZeroDivisionError): 棰勬湡鎶涘嚭闆堕櫎閿欒

calculate_bmi(70, 0) 灏濊瘯璁$畻韬珮涓洪浂鐨凚MI鍊?/p>

def test_negative_weight(self):

"""娴嬭瘯浣撻噸涓鸿礋鍊兼椂BMI璁$畻鐨勫紓甯稿鐞?""

with self.assertRaises(ValueError): 棰勬湡鎶涘嚭鍊奸敊璇?/p>

calculate_bmi(-70, 1.7) 灏濊瘯璁$畻浣撻噸涓鸿礋鍊肩殑BMI鍊?/p>

杩愯鍗曞厓娴嬭瘯

if __name__ == '__main__':

unittest.main()

```

缂栫▼涔嬫梾锛氭案鏃犳澧冪殑瀛︿範涔嬫梾馃殌锛?/p>

鍦ㄧ紪绋嬭繖鏉′笉鏂繘鍖栫殑閬撹矾涓婏紝濡備綍淇濇寔鎸佺画瀛︿範骞朵笉鏂彁鍗囪嚜宸卞憿锛熶互涓嬫槸涓€浜涙帹鑽愮殑浼樿川瀛︿範璧勬簮锛?/p>

馃寪 鎱曡缃戯細杩欐槸涓€涓湪绾垮涔犲钩鍙帮紝鎻愪緵浜嗕粠鍏ラ棬鍒扮簿閫氱殑涓板瘜缂栫▼璇剧▼锛岃鐩栧绉嶇紪绋嬭瑷€鍜屽紑鍙戞妧鏈紝鏄紪绋嬪涔犺€呯殑涓嶄簩涔嬮€夈€?/p>

馃捇 LeetCode锛氳繖鏄竴涓紪绋嬬粌涔犲钩鍙帮紝閫氳繃瑙e喅鍚勭绠楁硶鍜屾暟鎹粨鏋勭殑瀹炶返棰樼洰锛屼綘鍙互鏈夋晥鍦版彁鍗囪嚜宸辩殑缂栫▼鑳藉姏銆?/p>

馃棬 Stack Overflow锛氳繖鏄竴涓叏鐞冪紪绋嬬ぞ鍖猴紝浣犲彲浠ュ湪杩欓噷鎵惧埌瑙e喅缂栫▼闂鐨勬柟妗堬紝涓庡叏鐞冪殑寮€鍙戣€呬氦娴佺粡楠岋紝鎷撳鑷繁鐨勮閲庛€?/p>

璁颁綇锛屾寔缁疄璺点€佸涔犲拰鎸戞垬鏄彁鍗囩紪绋嬭兘鍔涚殑鍏抽敭銆傚笇鏈涙湰鏂囦腑鍒嗕韩鐨勫熀纭€鐭ヨ瘑銆佸疄璺电ず渚嬪拰杩涢樁寤鸿鑳藉甯姪浣犲湪缂栫▼鐨勬梾绋嬩腑璧板緱鏇磋繙銆佹洿绋炽€?/p>

文章从网络整理,文章内容不代表本站观点,转账请注明【蓑衣网】

本文链接:https://www.baoguzi.com/69589.html

编程基础与实践:从零开始的进阶之路 | 分享给朋友: